What stage emphasizes that children are yet unable to perform mental operations?

Lorraine, who has a son and a daughter, remarries. Which of the following is most likely to occur?

A) Lorraine's daughter will have a harder time adjusting to the remarriage than her son. B) Lorraine's son will have a harder time adjusting to the remarriage than her daughter. C) Lorraine's son will have adjustment problems as long as he tries to maintain a relationship with his biological father. D) Both children will ask to go live with their father.

An experiment conducted in a region of France where mothers consume anise-flavored foods showed that infants whose mothers consumed the most anise _______________

a. exhibited stronger avoidance reactions to anise-flavored liquids at birth than those whose mothers consumed less anise b. exhibited a preference for anise already at birth, most likely indicating that the preference is established prenatally c. exhibited a preference for anise within a week, most likely indicating that the preference is established in the first few days after birth d. exhibited no preference for anise until after tasting mothers’ breast milk for two weeks